[erlang-questions] Trouble compiling erlang on OS X intel

[Ben Munat]

Darwin Ports has changed it's name to Mac Ports (http://www.macports.org/). I installed R11B-4 with 
Mac Ports without any problem. I'm just not up to date... R11B-5 is available.

Also, there is an smp variant available for the Mac Ports erlang package... I think you would do:

port install erlang +smp

Or something like that.

HTH,

Ben


Mikael Pettersson wrote:
> On Sat, 14 Jul 2007 13:12:29 -0700, David King wrote:
>> I'm having trouble compiling Erlang R11B-5 on OS X.4 on an Intel  
>> MacBook Pro. It fails saying that it can't find "mach_override.h",  
>> which doesn't appear anywhere on my machine.
>>
>> ~/Desktop/otp_src_R11B-5% ./configure --enable-smp-support --enable- 
>> threads --enable-kernel-poll --enable-hipe --prefix=/usr/local --with- 
>> ssl && make
>> [...]
>> gcc -mdynamic-no-pic -g -O2 -I/Users/dking/Desktop/otp_src_R11B-5/ 
>> erts/i386-apple-darwin8.10.1  -no-cpp-precomp   -DUSE_THREADS  - 
>> D_THREAD_SAFE -D_REENTRANT -DHYBRID -DHAVE_CONFIG_H -Wall -Wstrict- 
>> prototypes -Wmissing-prototypes -DUSE_THREADS  -D_THREAD_SAFE - 
>> D_REENTRANT  -Ibeam -Isys/unix -Isys/common -Ii386-apple-darwin8.10.1/ 
>> opt/hybrid -Ii386-apple-darwin8.10.1 -Izlib -Ihipe -I../include/ 
>> internal -I../include/internal/i386-apple-darwin8.10.1 -c i386-apple- 
>> darwin8.10.1/opt/hybrid/hipe_x86_bifs.S -o obj/i386-apple- 
>> darwin8.10.1/opt/hybrid/hipe_x86_bifs.o
>> make[3]: *** No rule to make target `mach_override.h', needed by `obj/ 
>> i386-apple-darwin8.10.1/opt/hybrid/hipe_x86_signal.o'.  Stop.
>> make[2]: *** [opt] Error 2
>> make[1]: *** [hybrid] Error 2
>> make: *** [emulator] Error 2
>>
>> If I do the same without --enable-hipe it works, but the Erlang from  
>> Darwinports has hipe and it works just fine (although it doesn't have  
>> SMP support, which is important to me), so I know hipe works with OS X.
>>
>> I see that Darwinports actually ships with mach_override.h:
>>
>> % find /opt -name mach_override.h
>> /opt/local/var/db/dports/sources/ 
>> rsync.rsync.darwinports.org_dpupdate_dports/lang/erlang/files/ 
>> mach_override.h
>>
>> I also see that Darwinports has some other files necessary for Erlang:
>>
>> % ls /opt/local/var/db/dports/sources/ 
>> rsync.rsync.darwinports.org_dpupdate_dports/lang/erlang/files
>> mach_override.c         mach_override.h         patch-toolbar.erl
>>
>> So is there a generalised OS X patchset that I'm missing?
> 
> You just answered your own question. Use Darwinports (whatever that is).
> 
> Support for HiPE on OSX/x86 in the vanilla OTP tarballs is only partial.
> It requires the mach_override stuff, and is totally unsupported since
> (1) it does weird things (mach_override), and (2) we (the HiPE group)
> don't have OSX/x86 machines.
> 
> Just ask whoever's in charge of Erlang in Darwinports to enable SMP,
> or get the source code for their patched Erlang package and enable
> SMP yourself. It probably just needs ./configure --enable-smp-support.
> 
> /Mikael
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